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In Python, how does one catch warnings as if they were exceptions?
...
To quote from the python handbook (27.6.4. Testing Warnings):
import warnings
def fxn():
warnings.warn("deprecated", DeprecationWarning)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("...
How to check for null in Twig?
...efined %}
{# do something #}
{% endif %}
Additionally the is sameas test, which does a type strict comparison of two values, might be of interest for checking values other than null (like false):
{% if var is sameas(false) %}
{# do something %}
{% endif %}
...
Detect URLs in text with JavaScript
...that really works in most obvious case! This one deserves a bookmarking. I tested thousands examples from googles search until i find this.
– Ismael
Jan 16 '15 at 15:11
6
...
Timeout for python requests.get entire response
... That is not for the entire response. requests.readthedocs.org/en/latest/user/quickstart/#timeouts
– Kiarash
Feb 23 '14 at 17:38
1
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Identify if a string is a number
...
You can also use:
stringTest.All(char.IsDigit);
It will return true for all Numeric Digits (not float) and false if input string is any sort of alphanumeric.
Please note: stringTest should not be an empty string as this would pass the test of bei...
Find out time it took for a python script to complete execution
...ate-able piece of code, timeit comes in handy.
From the timeit docs,
def test():
"Stupid test function"
L = []
for i in range(100):
L.append(i)
if __name__=='__main__':
from timeit import Timer
t = Timer("test()", "from __main__ import test")
print t.timeit()
The...
Cleaner way to update nested structures
...collect information. Kiama supports Rewriting, see the examples in RewriterTests, and watch this video. Here's a snippet to whet your appetite:
// Test expression
val e = Mul (Num (1), Add (Sub (Var ("hello"), Num (2)), Var ("harold")))
// Increment every double
val incint = everywheretd (rule { c...
Performance surprise with “as” and nullable types
...ficient code, no value conversions have to be considered.
The is operator test is easy, just check if the object isn't null and is of the expected type, takes but a few machine code instructions. The cast is also easy, the JIT compiler knows the location of the value bits in the object and uses th...
node.js require all files in a folder?
... /fields full of files with a single class each, ex:
fields/Text.js -> Test class
fields/Checkbox.js -> Checkbox class
Drop this in fields/index.js to export each class:
var collectExports, fs, path,
__hasProp = {}.hasOwnProperty;
fs = require('fs');
path = require('path');
collect...
`staticmethod` and `abc.abstractmethod`: Will it blend?
...ass A(object):
__metaclass__ = abc.ABCMeta
@abstractstatic
def test():
print 5
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